Variant X-70236138-C-T details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Likely benign. Variant got -6 ACMG points: 0P and 6B. BP4_ModerateBS2

The NM_001013579.3(AWAT1):c.254C>T(p.Thr85Met) variant causes a missense, splice region change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000832 in 1,202,338 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 2 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. 14/22 in silico tools predict a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000027 ( 0 hom., 0 hem., cov: 22)

Exomes 𝑓: 0.0000064 ( 0 hom. 2 hem. )

Consequence

AWAT1
NM_001013579.3 missense, splice_region

Scores

Splicing: ADA: 0.0002079

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.957

Variant links:

Genes affected

AWAT1 (HGNC:23252): (acyl-CoA wax alcohol acyltransferase 1) The protein encoded by this gene belongs to the diacylglycerol acyltransferase family. It esterifies long chain (wax) alcohols with acyl-CoA-derived fatty acids to produce wax esters. Wax esters are enriched in sebum, suggesting that this enzyme plays a central role in lipid metabolism in skin. Consistent with this observation, this protein is predominantly expressed in the sebaceous gland of the skin. [provided by RefSeq, Sep 2009]

AWAT1 links:

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -6 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.14730367).

BS2

High Hemizygotes in GnomAdExome4 at 2 gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
AWAT1	NM_001013579.3 linkuse as main transcript	c.254C>T	p.Thr85Met	missense_variant, splice_region_variant	3/7	ENST00000374521.4	NP_001013597.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
AWAT1	ENST00000374521.4 linkuse as main transcript	c.254C>T	p.Thr85Met	missense_variant, splice_region_variant	3/7	1	NM_001013579.3	ENSP00000363645	P1
AWAT1	ENST00000480702.1 linkuse as main transcript	n.295C>T		splice_region_variant, non_coding_transcript_exon_variant	3/4	3

Frequencies

GnomAD3 genomes

AF:

0.0000268

AC:

AN:

112015

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

34187

show subpopulations

Gnomad AFR

AF:

0.0000650

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000188

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000109

AC:

AN:

183037

Hom.:

AF XY:

0.00

AC XY:

AN XY:

67507

show subpopulations

Gnomad AFR exome

AF:

0.0000760

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.0000630

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000642

AC:

AN:

1090269

Hom.:

Cov.:

AF XY:

0.00000562

AC XY:

AN XY:

355881

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.0000331

Gnomad4 SAS exome

AF:

0.0000185

Gnomad4 FIN exome

AF:

0.0000247

Gnomad4 NFE exome

AF:

0.00000479

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

AF:

0.0000268

AC:

AN:

112069

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

34251

show subpopulations

Gnomad4 AFR

AF:

0.0000649

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000188

Gnomad4 OTH

AF:

0.00

Bravo

AF:

0.0000151

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Jan 02, 2024

The c.254C>T (p.T85M) alteration is located in exon 3 (coding exon 3) of the AWAT1 gene. This alteration results from a C to T substitution at nucleotide position 254, causing the threonine (T) at amino acid position 85 to be replaced by a methionine (M). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.12

BayesDel_addAF

Benign

-0.49

BayesDel_noAF

Benign

-0.75

CADD

Benign

6.5

DANN

Uncertain

1.0

DEOGEN2

Benign

0.26

FATHMM_MKL

Benign

0.24

LIST_S2

Benign

0.47

M_CAP

Benign

0.017

MetaRNN

Benign

0.15

MetaSVM

Benign

-1.0

MutationAssessor

Uncertain

2.6

MutationTaster

Benign

1.0

PrimateAI

Benign

0.31

PROVEAN

Benign

-1.5

REVEL

Benign

0.063

Sift

Uncertain

0.0020

Sift4G

Uncertain

0.0070

Polyphen

0.22

Vest4

0.20

MutPred

0.46

Gain of ubiquitination at K90 (P = 0.0651);

MVP

0.66

MPC

0.18

ClinPred

0.16

GERP RS

2.2

Varity_R

0.10

gMVP

0.46

Splicing

Name

Calibrated prediction

Score

Prediction

dbscSNV1_ADA

Benign

0.00021

dbscSNV1_RF

Benign

0.038

SpliceAI score (max)

0.0

Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over